Back to Database
Status published
Low
CVE-2021-39844
Adobe Acrobat Reader CalRGB Out-of-Bounds Read Vulnerability
Vulnerability Description
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of arbitrary memory information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-39844
Credits & Attribution
No credits recorded in the NVD database.
More from Adobe
View All →CVE-2025-64899
Acrobat Reader | Out-of-bounds Read (CWE-125)
High
7.8
CVE-2025-64898
ColdFusion | Insufficiently Protected Credentials (CWE-522)
Medium
5.3
CVE-2025-64897
ColdFusion | Improper Access Control (CWE-284)
Medium
5.6
CVE-2025-64896
Creative Cloud Desktop | Creation of Temporary File in Directory with Incorrect Permissions (CWE-379)
Medium
5.5
CVE-2025-64894
DNG SDK | Integer Overflow or Wraparound (CWE-190)
Medium
5.5
Affected Vendor
Adobe
View all reports →Affected Software
Acrobat Reader
Vulnerable Versions:
unspecified
Timeline
Official Publish:
September 29th, 2021
Last Modified:
September 16th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N